How to open BLK file

AutoCAD (2D and 3D CAD design and documentation software) attribute extraction template file with selected drawing objects used to publish a drawing to a PDF, DWF or DWFX format. This file specifically saves the drawing blocks and their settings. BLK files are used to control the data published to a sharable file. You can use AutoCAD Block Template dialog box or the Attribute Extraction wizard to create BLK files.

ABBYY FineReader (software that is used for converting images and documents into searchable text files) template file with information which defines the area of a document that will be scanned by the program. These templates help to save time when scanning many documents with the similar layout.